如何解决工作箱窗口“错误预缓存响应”错误和“冗余”服务工作者
图书馆受影响: 工作箱窗口
浏览器和平台: 基于铬的浏览器
问题或功能请求说明: 我只有在尝试实现工作箱窗口时才会遇到这个问题。如果我删除实现,错误就会消失。
我的目标是展示服务工作者版本。为此,我按照文档中的说明进行操作,尽管我可以获得 Service Worker 版本,但它造成了一些麻烦。
WorkBox 文档参考:
问题
我再说一遍:一旦我删除了工作箱窗口的实现,坏的预缓存响应就会消失,它会停止生成多余的服务工作者
软件注册
if ('serviceWorker' in navigator) {
window.addEventListener('load',function() {
navigator.serviceWorker.register('/clock-service-worker.js?clock_uri=' + clock_uri,{ scope: '/clock/' }).then(function(registration) {
console.log('ServiceWorker registration successful: ',registration)
},function(err) {
console.log('ServiceWorker registration Failed: ',err)
})
})
}
clock-service-worker.js(软件文件)
importScripts('https://storage.googleapis.com/workBox-cdn/releases/6.1.5/workBox-sw.js');
const SW_VERSION = '2.0.0'
const CLOCK_URI = new URL(location).searchParams.get('clock_uri')
const precacheResources = [
{ url: `/clock/index/${CLOCK_URI}`,revision: null },{ url: `/clock/directory/${CLOCK_URI}`,{ url: `/clock/passcode/${CLOCK_URI}`,{ url: `/clock/home/${CLOCK_URI}`,{ url: `/clock/punch/${CLOCK_URI}`,{ url: `/clock/offline_punch/${CLOCK_URI}?status=in`,{ url: `/clock/offline_punch/${CLOCK_URI}?status=out`,{ url: '/css/clock.css',{ url: '/js/js.cookie-2.2.1.min.js',{ url: '/js/jquery-3.2.1.min.js',{ url: '/js/bootstrap.min.js',{ url: '/js/moment/moment.js',{ url: '/js/moment/locale/es.js',{ url: '/js/webcam/webcam.min.js',{ url: '/js/clock/clock-scripts.js',{ url: '/fonts/Material_Icons/MaterialIcons-Regular.woff2',{ url: '/fonts/Barlow_Condensed/barlow-condensed-v4-latin-600.woff2',{ url: '/fonts/Titillium_Web/titillium-web-v8-latin-600.woff2',{ url: '/fonts/Titillium_Web/titillium-web-v8-latin-700.woff2',{ url: '/fonts/Titillium_Web/titillium-web-v8-latin-regular.woff2',{ url: '/images/employee/placeholder.png',{ url: '/audio/punch-error.mp3',{ url: '/audio/punch-in.mp3',{ url: '/audio/punch-out.mp3',revision: null }
]
workBox.setConfig({ debug: true })
workBox.core.setCacheNameDetails({
prefix: 'clock',suffix: 'v2',precache: 'precache',runtime: 'runtime'
})
const ignoreQueryStringPlugin = {
cacheKeyWillBeUsed: async ({ request,mode,params,event,state }) => {
curl = new URL(request.url)
return curl.pathname
}
}
const cacheName = workBox.core.cacheNames.precache
const options = {
cacheName,plugins: [ignoreQueryStringPlugin]
}
// pages
workBox.routing.registerRoute(
new RegExp(`\/clock\/index\/${CLOCK_URI}`),new workBox.strategies.NetworkFirst(options)
)
workBox.routing.registerRoute(
new RegExp(`\/clock\/directory\/${CLOCK_URI}`),new workBox.strategies.NetworkFirst(options)
)
workBox.routing.registerRoute(
new RegExp(`\/clock\/passcode\/${CLOCK_URI}`),new workBox.strategies.NetworkFirst(options)
)
workBox.routing.registerRoute(
new RegExp(`\/clock\/home\/${CLOCK_URI}`),new workBox.strategies.NetworkFirst(options)
)
workBox.routing.registerRoute(
new RegExp(`\/clock\/punch\/${CLOCK_URI}`),new workBox.strategies.NetworkFirst(options)
)
workBox.routing.registerRoute(
new RegExp(`\/clock\/offline_punch\/${CLOCK_URI}`),new workBox.strategies.NetworkFirst(options)
)
// main css and js files
workBox.routing.registerRoute(
/\/css\/clock.css/,new workBox.strategies.NetworkFirst(options)
)
workBox.routing.registerRoute(
/\/js\/clock\/clock-scripts.js/,new workBox.strategies.NetworkFirst(options)
)
// static files
workBox.routing.registerRoute(
/\.(?:js|css)$/,new workBox.strategies.CacheFirst({ cacheName })
)
workBox.routing.registerRoute(
/\.(?:woff2|png|mp3)$/,new workBox.strategies.CacheFirst({ cacheName })
)
workBox.precaching.precacheAndRoute(precacheResources)
addEventListener('message',(event) => {
if (event.data.type === 'GET_VERSION') {
event.ports[0].postMessage(SW_VERSION)
}
})
self.skipwaiting()
workBox.core.clientsClaim()
工作箱窗口实现
<script type="module">
import { WorkBox } from 'https://storage.googleapis.com/workBox-cdn/releases/6.1.5/workBox-window.prod.mjs'
if ('serviceWorker' in navigator) {
const wb = new WorkBox(`${window.location.origin}/clock-service-worker.js`)
wb.register()
const getSWVersion = async () => {
const swVersion = await wb.messageSW({ type: 'GET_VERSION' })
console.log('Service Worker version: ',swVersion)
}
getSWVersion()
}
</script>
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